uae/string: guard _strtoui64 compatibility macro

Some host C libraries or compatibility headers can provide
_strtoui64 before this header defines the TCHAR-style aliases.

Only provide the fallback when it is missing, and map it to
strtoull so the unsigned conversion matches the name.

diff --git a/include/uae/string.h b/include/uae/string.h
index 7b975a7475f424276be163ff99456ced2d954ba8..737b2bea363f9d4cf198e1b3a4e737fbe4e97756 100644 (file)
--- a/include/uae/string.h
+++ b/include/uae/string.h
@@ -23,7 +23,9 @@
 #define _istupper isupper
 #define _sntprintf snprintf
 #define _stprintf sprintf
-#define _strtoui64 strtoll
+#ifndef _strtoui64
+#define _strtoui64 strtoull
+#endif
 #define _tcscat strcat
 #define _tcschr strchr
 #define _tcscmp strcmp